//package com.fy.service;
//
//import com.baomidou.mybatisplus.extension.service.IService;
//import com.fy.utils.result.Result;
//import com.fy.pojo.entity.Coupon;
//
//public interface CouponService extends IService<Coupon> {
//    Result seckill(Integer userId, Integer couponType);
//}
